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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2016
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The calculation of basic and diluted earnings per common share follows (in thousands, except per share amounts):
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2016
 
2015
 
2016
 
2015
Numerator:
 
 
 
 
 
 
 
Earnings from continuing operations - basic
$
11,528

 
$
10,570

 
$
19,699

 
$
19,465

Gain from stock warrants, net of tax
(3,664
)
 
—

 
(3,405
)
 
—

Earnings from continuing operations - diluted
$
7,864

 
$
10,570

 
$
16,294

 
$
19,465

 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
Weighted-average shares outstanding - basic
63,267

 
64,541

 
63,452

 
64,498

Common equivalent shares:
 
 
 
 
 
 
 
Effect of stock-based compensation awards
861

 
930

 
835

 
906

Effect of stock warrants
2,635

 
—

 
1,623

 
—

Weighted-average shares outstanding - diluted
66,763

 
65,471

 
65,910

 
65,404

 
 
 
 
 
 
 
 
Basic earnings per share from continuing operations
$
0.18

 
$
0.16

 
$
0.31

 
$
0.30

Diluted earnings per share from continuing operations
$
0.12

 
$
0.16

 
$
0.25

 
$
0.30